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/*===--------------- x86gprintrin.h - X86 GPR intrinsics ------------------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef __X86GPRINTRIN_H
#define __X86GPRINTRIN_H
#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) || \
defined(__HRESET__)
#include <hresetintrin.h>
#endif
#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) || \
defined(__UINTR__)
#include <uintrintrin.h>
#endif
#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) || \
defined(__CRC32__)
#include <crc32intrin.h>
#endif
#if defined(__i386__)
#define __FULLBX "ebx"
#define __TMPGPR "eax"
#else
// When in 64-bit target, the 32-bit operands generate a 32-bit result,
// zero-extended to a 64-bit result in the destination general-purpose,
// It means "mov x %ebx" will clobber the higher 32 bits of rbx, so we
// should preserve the 64-bit register rbx.
#define __FULLBX "rbx"
#define __TMPGPR "rax"
#endif
#define __MOVEGPR(__r1, __r2) "mov {%%"__r1 ", %%"__r2 "|"__r2 ", "__r1"};"
#define __SAVE_GPRBX __MOVEGPR(__FULLBX, __TMPGPR)
#define __RESTORE_GPRBX __MOVEGPR(__TMPGPR, __FULLBX)
#define __SSC_MARK(__Tag) \
__asm__ __volatile__( __SAVE_GPRBX \
"mov {%0, %%ebx|ebx, %0}; " \
".byte 0x64, 0x67, 0x90; " \
__RESTORE_GPRBX \
::"i"(__Tag) \
: __TMPGPR );
#endif /* __X86GPRINTRIN_H */
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